Taking a personality test can provide useful insights into our sense of self, but many may not realize how deeply embedded personality assessments are in everything we do. PERSONA explores the unexpected origin story of America’s great obsession with personality testing, uncovering the intriguing history behind the world-famous Myers-Briggs Type Indicator, while raising a slew of ethical questions and demonstrating how some personality tests may do more harm than good – like impacting online dating matches or job prospects. This eye-opening documentary reveals the profound ways that ideas about personality have shaped our society.